Machine casing



FIG. 1 is a perspective view of a machine casing showing my new design;

FIG. 2 is a front view thereof, a rear view being a mirror image thereof;

FIG. 3 is a right side view thereof, a left side view being a mirror image thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is another perspective view from the bottom thereof; and,

FIG. 7 is the other perspective view thereof shown in use.

The broken lines in the drawings depict unclaimed environmental subject matter. 

CLAIM The ornamental design for a machine casing, as shown and described. 